radeon/llvm: Rework how immediate operands are handled with SI

Immediate operands were previously handled in the CodeEmitter, but that
code was buggy and very confusing.  This commit adds a pass that simplifies
the handling of immediate operands by spliting the loading of the
immediate into a sperate insruction that is bundled with the original.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp
index bf3d89c1b83..2d6c86d9d20 100644
--- a/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp
+++ b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp
@@ -81,9 +81,13 @@ void AMDGPUAsmPrinter::EmitProgramInfo(MachineFunction &MF) {
           VCCUsed = true;
           continue;
         }
-        if (reg == AMDGPU::EXEC) {
+        switch (reg) {
+        default: break;
+        case AMDGPU::EXEC:
+        case AMDGPU::SI_LITERAL_CONSTANT:
           continue;
         }
+
         if (AMDGPU::SReg_32RegClass.contains(reg)) {
           isSGPR = true;
           width = 1;